# Hectograms to Pennyweights (hg to dwt) Source: https://www.unitconvertercalculator.com/weight/hectograms-to-pennyweights/ **1 hg = 64.301493137256 dwt** One hectogram equals approximately 64.30 pennyweights. The pennyweight (abbreviated dwt) is a unit in the troy weight system equal to 1/20 of a troy ounce or about 1.555 grams. Jewelers and precious metal dealers use pennyweights daily to price gold, silver, and platinum. ## Formula Apply the conversion factor ## Conversion Table | Hectograms (hg) | Pennyweights (dwt) | |---|---| | 0.05 hg | 3.2150746568628 dwt | | 0.1 hg | 6.4301493137256 dwt | | 0.25 hg | 16.075373284314 dwt | | 0.5 hg | 32.150746568628 dwt | | 1 hg | 64.301493137256 dwt | | 2 hg | 128.60298627451 dwt | | 5 hg | 321.50746568628 dwt | | 10 hg | 643.01493137256 dwt | | 25 hg | 1607.5373284314 dwt | | 50 hg | 3215.0746568628 dwt | | 100 hg | 6430.1493137256 dwt | | 500 hg | 32150.746568628 dwt | | 1000 hg | 64301.493137256 dwt | ## Units ### Hectogram (hg) A hectogram is 100 grams or one tenth of a kilogram. Used in Italy (as 'etto') for buying food at markets and delicatessens. ### Pennyweight (dwt) A pennyweight is a unit of mass equal to 24 grains or 1/20 of a troy ounce (1.55517384 grams). Used in the jewelry trade for weighing precious metals. ## Background The pennyweight remains the preferred unit at many American jewelry stores and gold buying shops. When you sell old gold jewelry, the buyer often weighs it in pennyweights and quotes a price per dwt. Converting hectograms to pennyweights is useful when comparing metric-labeled precious metal products with troy-weight-based pricing in the North American jewelry trade. ## Good to Know The pennyweight has survived for over 800 years because it occupies a perfect niche in the precious metals trade. It is small enough to price individual pieces of jewelry with precision but large enough to avoid awkward fractions. When English kings standardized the Troy weight system around 1200 CE, they anchored it to the pennyweight of their silver coinage - creating a direct link between money and weight that persists in jewelry shops to this day. ## FAQ ### How do I convert hectograms to pennyweights? Multiply the hectogram value by approximately 64.30. The precise factor is 100 grams divided by 1.55517384 grams per pennyweight, giving 64.3015 pennyweights per hectogram. ### Why is the pennyweight abbreviated 'dwt' instead of 'pwt'? The 'd' comes from the ancient Roman denarius, a coin whose weight became the basis for the English penny. 'dwt' stands for 'denarius weight.' This Latin-derived abbreviation persisted through centuries of English commerce even as the connection to Roman coinage was forgotten. ### How does a pennyweight relate to troy ounces and troy pounds? There are 20 pennyweights in one troy ounce and 240 pennyweights in one troy pound. The system uses 12 troy ounces per troy pound (not 16 like avoirdupois). This duodecimal structure made division easier for medieval goldsmiths who worked without calculators. ## Non-Frequently Asked Questions ### If I had a penny for every pennyweight in a hectogram, would I be rich? You would have about 64 pennies, or 64 cents. That is enough for exactly nothing at a jewelry store. The irony of a unit called 'pennyweight' producing less than a dollar when counted as pennies is the kind of linguistic joke that only measurement historians find amusing. ### Did the pennyweight ever weigh the same as an actual penny coin? Originally, yes. In medieval England, the silver penny coin weighed exactly one pennyweight - roughly 1.555 grams. Over the centuries, pennies were debased and their metal content reduced, but the weight unit stayed fixed. Today's copper-plated zinc penny weighs about 2.5 grams, heavier than the pennyweight it was named after. ### Could I pay for gold using the same number of pennies as its pennyweight? Not even close. One pennyweight of gold at current prices costs about 40 to 50 dollars. So 64 pennyweights of gold (one hectogram) would cost roughly 2,500 to 3,200 dollars, while 64 pennies is just 64 cents. 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